Distributing method and system of radio network temporary identifications in home base station system

The invention discloses a distributing method of radio network temporary identifications in a home base station system, which comprises the step of: distributing a unique radio network temporary identification (U-RNTI) in a total network to user equipment (UE) by a home base station gateway in a process of registering the UE to the home base station gateway. The invention also discloses a distributing system of radio network temporary identifications in the home base station system. In the system, a distributing unit is used for distributing the unique U-RNTI in the total network to the UE by the home base station gateway in the process of registering the UE to the home base station gateway. By adopting the method and system disclosed by the invention, the distributed U-RNTIs can be avoided from conflicting.